Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21B—ROLLING OF METAL
B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
B21B17/08—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills
B21B17/12—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills in a discontinuous process, e.g. plug-rolling mills
Einrichtung zur Querschnittsverringerung des Endes eines aus dem Lochwalzwerk kommenden dickwandigen Rohres vor seiner Weiterverarbeitung in einem Reduzierwalzwerk
Vorrichtung zum Herausziehen der Rollstange aus der Huelse einer gewickelten Rolle unter Verwendung eines Greiferlagers und zum Einfuehren dieser Rollstange in die Huelse einer zu wickelnden Rolle
Anordnung zum Abziehen bzw. Aufschieben des Lagergehaeuses von Wellenstuempfen bzw. auf Wellenstuempfe von Wickeltrommeln oder aehnlichen Vorrichtungen